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Biomedical subjects

J A Vale

Publications and source records attributed to J A Vale.

At least 145 records · Page 8Linked to original sources

The immediate care of cases of poisoning.

The immediate management of poisoned patients has been discussed with regard to supportive and specific treatment. Details are given of the information services available in the United Kingdom.

Acetaminophen↗

Oral methionine in the treatment of severe paracetamol (Acetaminophen) overdose.

30 patients at risk of hepatic damage from paracetamol (acetaminophen) ingestion were given 2-5 g oral methionine every four hours up to a total dose of 10 g. The first dose was given within ten hours of the overdose. There were no deaths and no reports of hepatic encephalopathy or other complications. In 21 patients plasma aspartate-aminotransferase remained within normal limits. These results suggest that methionine may be effective in reducing the frequency and severity of paracetamol-induced liver damage and may provide an effective non-toxic alternative to cysteamine.

Acetaminophen↗

Use of charcoal haemoperfusion in the management of severely poisoned patients.

The clinical use of uncoated charcoal haemoperfusion systems, despite their efficacy, has hitherto been prevented by the occurrence of a number of adverse effects including charcoal embolism and marked thrombocytopenia. Charcoal coated with a synthetic hydrogel overcomes many of the disadvantages associated with the use of uncoated material in that there is a much reduced thrombocytopenia and no evidence of charcoal embolism. Six patients, severely poisoned as a result of overdoses of either a barbiturate or glutethimide, were haemoperfused using such a system. Four made complete recoveries, and the two patients who died had both suffered cardiorespiratory arrests before perfusion. In contrast to haemodialysis charcoal haemoperfusion is simple to initiate, less expensive in terms of manpower and equipment, and gives superior clearance data for all barbiturates and glutethimide. We believe that this technique may have a significant role to play in the management of the severely poisoned patient.

Adult↗